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公开(公告)号:US1468584A
公开(公告)日:1923-09-18
申请号:US50465621
申请日:1921-10-01
Applicant: THURELL JOHN P
Inventor: THURELL JOHN P
IPC: B64B1/00
CPC classification number: B64B1/00
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公开(公告)号:US1804374A
公开(公告)日:1931-05-05
申请号:US34147429
申请日:1929-02-20
Applicant: THURELL JOHN P
Inventor: THURELL JOHN P
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公开(公告)号:US1695217A
公开(公告)日:1928-12-11
申请号:US17778127
申请日:1927-03-23
Applicant: THURELL JOHN P
Inventor: THURELL JOHN P
IPC: C02F3/28
CPC classification number: C02F3/28
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公开(公告)号:US873635A
公开(公告)日:1907-12-10
申请号:US1906331619
申请日:1906-08-22
Applicant: THURELL JOHN P
Inventor: THURELL JOHN P
CPC classification number: A43D3/023
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